Finding the Third Proportional to 764,620 and 1,662,144

Step by Step Solution

1. Step 1: Write the proportion equation
   764,620 : 1,662,144 = 1,662,144 : x
2. Step 2: Convert to fraction form
   764,620/1,662,144 = 1,662,144/x
3. Step 3: Cross multiply
   764,620x = 1,662,144 × 1,662,144
4. Step 4: Simplify right side
   764,620x = 2,762,722,676,736
5. Step 5: Solve for x
   x = 2,762,722,676,736/764,620
6. Step 6: Final answer
   x = 3,613,196.98